1606796428 has 12 divisors (see below), whose sum is σ = 2820937392. Its totient is φ = 800814320.

The previous prime is 1606796413. The next prime is 1606796441. The reversal of 1606796428 is 8246976061.

It is a super-3 number, since 3×1606796428³ (a number of 29 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 644575 + ... + 647062.

It is an arithmetic number, because the mean of its divisors is an integer number (235078116).

Almost surely, 2^1606796428 is an apocalyptic number.

It is an amenable number.

1606796428 is a deficient number, since it is larger than the sum of its proper divisors (1214140964).

1606796428 is a wasteful number, since it uses less digits than its factorization.

1606796428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1291952 (or 1291950 counting only the distinct ones).

The product of its (nonzero) digits is 870912, while the sum is 49.

The square root of 1606796428 is about 40084.8653234609. The cubic root of 1606796428 is about 1171.2608289345.

The spelling of 1606796428 in words is "one billion, six hundred six million, seven hundred ninety-six thousand, four hundred twenty-eight".